Home / 8,633.96-11,918.88-6,510.36

Finding the Fourth Proportional to 8,633.96, 11,918.88 and 6,510.36

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Solution

The fourth proportional to 8,633.96, 11,918.88 and 6,510.36 is: 8,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.96 : 11,918.88 = 6,510.36 : x
  2. Step 2: Convert to fraction form
    8,633.96/11,918.88 = 6,510.36/x
  3. Step 3: Cross multiply
    8,633.96x = 11,918.88 × 6,510.36
  4. Step 4: Simplify right side
    8,633.96x = 77,596,199.60
  5. Step 5: Solve for x
    x = 77,596,199.60/8,633.96
  6. Step 6: Final answer
    x = 8,987.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.